19756560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{313}}^1$

素因数の和:592

約数の個数: 80

約数和(自身を含む): 61674624

約数和(自身を除く): 41918064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 263, 313, 526, 626, 789, 939, 1052, 1252, 1315, 1565, 1578, 1878, 2104, 2504, 2630, 3130, 3156, 3756, 3945, 4208, 4695, 5008, 5260, 6260, 6312, 7512, 7890, 9390, 10520, 12520, 12624, 15024, 15780, 18780, 21040, 25040, 31560, 37560, 63120, 75120, 82319, 164638, 246957, 329276, 411595, 493914, 658552, 823190, 987828, 1234785, 1317104, 1646380, 1975656, 2469570, 3292760, 3951312, 4939140, 6585520, 9878280, 19756560]

約数ペア:

[(1, 19756560), (2, 9878280), (3, 6585520), (4, 4939140), (5, 3951312), (6, 3292760), (8, 2469570), (10, 1975656), (12, 1646380), (15, 1317104), (16, 1234785), (20, 987828), (24, 823190), (30, 658552), (40, 493914), (48, 411595), (60, 329276), (80, 246957), (120, 164638), (240, 82319), (263, 75120), (313, 63120), (526, 37560), (626, 31560), (789, 25040), (939, 21040), (1052, 18780), (1252, 15780), (1315, 15024), (1565, 12624), (1578, 12520), (1878, 10520), (2104, 9390), (2504, 7890), (2630, 7512), (3130, 6312), (3156, 6260), (3756, 5260), (3945, 5008), (4208, 4695)]